package cn.hesion.designpattern.dip.improve;

public class Client {
    public static void main(String[] args) {
        Tom tom = new Tom();
        JavaCourse javaCourse = new JavaCourse();
        tom.Study(javaCourse);
        PythonCourse pythonCourse = new PythonCourse();
        tom.Study(pythonCourse);
    }
}
